/**
  * Creates a new model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  */
 public function actionCreate()
 {
     $model = new Giohang();
     // Uncomment the following line if AJAX validation is needed
     // $this->performAjaxValidation($model);
     if (isset($_POST['Giohang'])) {
         $idbook = intval($_POST['Giohang']["id_book"]);
         $namebook = intval($_POST['Giohang']["name_book"]);
         $cost = intval($_POST['Giohang']["cost"]);
         $status = intval($_POST['Giohang']["status"]);
         $number = intval($_POST['Giohang']["number"]);
         $iduser = Yii::app()->user->id;
         // update so luong sach
         $book = Book::model()->findByPk($idbook);
         // Book::model()->loadModel($idbook);
         if ($book->slcon >= $number) {
             $book->slcon = $book->slcon - $number;
             $book->save();
             $model->id_book = $idbook;
             $model->name_book = $namebook;
             $model->cost = $cost;
             $model->status = $status;
             $model->number = $number;
             $model->id_user = $iduser;
             $model->attributes = $_POST['Giohang'];
             if ($model->save()) {
                 // $this->redirect(array('view','id'=>$model->id));
                 $this->redirect(array('//site/index'));
             }
         }
     }
     // $this->render('create',array(
     // 	'model'=>$model,
     // ));
 }
 /**
  * Creates a new model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  */
 public function actionCreate()
 {
     $model = new Giohang();
     // Uncomment the following line if AJAX validation is needed
     // $this->performAjaxValidation($model);
     if (isset($_POST['Giohang'])) {
         $model->attributes = $_POST['Giohang'];
         if ($model->save()) {
             $this->redirect(array('view', 'id' => $model->id));
         }
     }
     $this->render('create', array('model' => $model));
 }